Clamp extrusion



FIG. 1 is an end view of the clamp extrusion showing our new design;

FIG. 2 is a front perspective view of the clamp extrusion of FIG. 1; and,

FIG. 3 is a rear perspective view of the clamp extrusion of FIGS. 1 and 2. 

The ornamental design for a clamp extrusion, as shown and described. 